Lower extremity muscle function and innervation 1

Topic: Pharmacology

Created on Monday, September 18 2006 by

Last modified on Monday, September 18 2006.

 
        A) Ankle plantarflexion
 
        B) Ankle dorsiflexion
 
        C) Knee flexion
 
        D) Ankle eversion
 
        E) Hip flexion
 

 

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This question was created on September 18, 2006 by .
This question was last modified on September 18, 2006.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) ankle plantarflexion

This answer is incorrect.

S1 and S2 are the spinal segments which most strongly affect ankle plantarflexion.  (See References)

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B) ankle dorsiflexion

This answer is correct.

Ankle dorsiflexion is most strongly affected by the L4 spinal segment.  (See References)

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C) knee flexion

This answer is incorrect.

S1 is the spinal segment which most strongly affects knee flexion.  (See References)

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D) ankle eversion

This answer is incorrect.

L5 and S1 are the spinal segments which most strongly affect ankle eversion.  (See References)

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E) hip flexion

This answer is incorrect.

L1 and L2 are the spinal segments which most strongly affect hip flexion.  (See References)

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References:

1. Guarantors of Brain. (2000). Aids to the Examination of the Peripheral Nervous System, fourth edition. W.B. Saunders, Edinburgh.

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pharmacology
Lower extremity muscle function and innervation 1
Question ID: 69181
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 09/18/2006
Modified: 09/18/2006
Estimated Permutations: 0